2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 87Get this manual
ENGINE Cylinder Inspection
1Remove all gasket material from the cylinder sealing surfaces5Record measurementsIf cylinder is tapered, or out of round beyond .002, the cylinder must be re-bored oversize, or replacedCylinder Taper Limit: .002 MaxCylinder Out of Round Limit: .002 MaxStandard Bore Size:
(EH500PLE 498cc )
3.62213.6228" (92.0092.012 mm)
(EH46PLE 455cc Carbureted)